constant volume
简明释义
等容循环
英英释义
A condition in which the volume of a system remains unchanged despite changes in temperature or pressure. | 在温度或压力变化的情况下,系统的体积保持不变的状态。 |
例句
1.The experiment was designed to maintain a constant volume 恒定体积 to ensure accurate results.
实验设计为保持constant volume 恒定体积 以确保结果准确。
2.During the reaction, the pressure increased while keeping the constant volume 恒定体积 of the chamber.
在反应过程中,压力增加,同时保持室内的constant volume 恒定体积。
3.To achieve optimal performance, the engine operates at a constant volume 恒定体积 during specific phases.
为了达到最佳性能,发动机在特定阶段以constant volume 恒定体积 运作。
4.The ideal gas law applies to systems with constant volume 恒定体积 under certain conditions.
理想气体定律适用于在特定条件下具有constant volume 恒定体积 的系统。
5.In a sealed container, the gas expands at a constant volume 恒定体积 when heated.
在一个密封的容器中,气体在加热时以constant volume 恒定体积 扩展。
作文
In the field of thermodynamics, understanding the concept of constant volume is crucial for analyzing various physical processes. When we refer to constant volume, we are discussing a condition in which the volume of a system remains unchanged despite changes in pressure or temperature. This principle is often applied in experiments and theoretical models to simplify calculations and predictions regarding the behavior of gases and other substances.For instance, consider a sealed container filled with gas. If we heat the gas while keeping the container closed, the pressure inside the container will increase because the gas molecules move faster and collide with the walls more frequently. However, if we ensure that the volume of the container remains constant, we can analyze how the pressure changes in response to the temperature change. This relationship is described by the ideal gas law, which states that pressure is directly proportional to temperature when volume is held constant.The significance of constant volume can be seen in various applications, such as in engines and refrigeration systems. In an internal combustion engine, for example, the fuel-air mixture undergoes a rapid combustion process, which involves a brief period of constant volume before the gases expand and do work on the pistons. Understanding this phase allows engineers to optimize engine performance and efficiency.Similarly, in refrigeration cycles, maintaining constant volume during certain phases is essential for effective cooling. The refrigerant undergoes phase changes where it absorbs and releases heat while keeping its volume stable, allowing for efficient thermal management. Moreover, the concept of constant volume is not limited to gases; it also applies to liquids and solids in specific contexts. For instance, in hydraulic systems, fluids are often considered to be incompressible, meaning that their volume does not change significantly under pressure. This assumption simplifies the analysis of fluid dynamics and helps engineers design more efficient systems.In scientific research, experiments involving constant volume conditions provide valuable data for understanding material properties and phase transitions. For example, researchers studying the behavior of materials under stress may use constant volume conditions to isolate the effects of temperature and pressure on structural integrity. This approach can lead to insights that inform the development of new materials and technologies.In conclusion, the concept of constant volume plays a vital role in thermodynamics and various engineering applications. By maintaining a stable volume within a system, scientists and engineers can better understand the relationships between pressure, temperature, and other variables. This understanding not only enhances our knowledge of physical processes but also drives innovation in technology and industry. As we continue to explore the complexities of the natural world, the principle of constant volume will remain a fundamental aspect of our scientific endeavors.
在热力学领域,理解constant volume的概念对于分析各种物理过程至关重要。当我们提到constant volume时,我们是在讨论一个系统的体积在压力或温度变化的情况下保持不变的条件。这个原理通常应用于实验和理论模型,以简化对气体和其他物质行为的计算和预测。例如,考虑一个装满气体的密封容器。如果我们在保持容器关闭的情况下加热气体,容器内部的压力将增加,因为气体分子运动得更快,并且更频繁地与容器壁碰撞。然而,如果我们确保容器的体积保持不变,我们可以分析压力如何随着温度的变化而变化。这个关系由理想气体法则描述,该法则指出,当体积保持不变时,压力与温度成正比。constant volume的重要性可以在各种应用中看到,例如在发动机和制冷系统中。在内燃机中,例如,燃料-空气混合物经历快速的燃烧过程,这涉及在气体膨胀并对活塞做功之前,有一个短暂的constant volume阶段。理解这一阶段使工程师能够优化发动机的性能和效率。同样,在制冷循环中,在某些阶段保持constant volume对有效冷却至关重要。制冷剂在保持体积稳定的同时经历相变,吸收和释放热量,从而实现有效的热管理。此外,constant volume的概念不仅限于气体;在特定背景下,它也适用于液体和固体。例如,在液压系统中,流体通常被认为是不可压缩的,这意味着它们在压力下的体积不会显著变化。这一假设简化了流体动力学的分析,并帮助工程师设计更高效的系统。在科学研究中,涉及constant volume条件的实验提供了关于材料性质和相变的重要数据。例如,研究材料在应力下行为的研究人员可能会使用constant volume条件来隔离温度和压力对结构完整性的影响。这种方法可以带来有助于开发新材料和技术的见解。总之,constant volume的概念在热力学和各种工程应用中发挥着至关重要的作用。通过在系统内保持稳定的体积,科学家和工程师可以更好地理解压力、温度和其他变量之间的关系。这种理解不仅增强了我们对物理过程的知识,还推动了技术和工业的创新。随着我们继续探索自然世界的复杂性,constant volume的原理将始终是我们科学探索的基本方面。
相关单词